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03-21-1995 03 06PM FROM TOC ##2 TO 7990084 P 03 <br /> - ® <br /> ORANGE C0AST ANALYTICAL, INC. <br /> W 3002 Dow, Sufte 532,Tustin, CA 92680 <br /> —yrs' (714) 832-0064, Fax (714) 832-0067 <br /> Q C D A T A R E P O R T <br /> Analysis: EPA 8015M J 8020 <br /> Date of AnaIY810: 02/21/95 <br /> Laboratory Sample No. : 95020395 <br /> Laboratory Reference N4. : TOC 5386 <br /> Analyte R1 SP MS MSD PRI PR2 RPD <br /> (ppb) (ppb) (Ppb) (ppb) -% % <br /> Benzene 0.0 20 20 19 100 95 5 <br /> Toluene 0. 0 20 18 18 90 90 0 <br /> Ethylbenzene 0. 0 20 17 17 85 85 0 <br /> Hydrocarbons 0 250 260 260 104 104 0 <br />• --------- --------------------------------------------------------------- <br /> RI Results of First Analysis <br /> SP Spike Concentration Added to Sanple <br /> MS Matrix Spike Results <br /> MSD Matrix Spike Duplicate Results <br /> PRI Percent Recovery of MS: { (MS - 121) / SP } X 100 <br /> PR2 Percent Recovery of MSD: { (MSD -- R1) J SP } X 100 <br /> RFD Relative Percent Difference: { (MSD - MS) / (MSD * MS) } x IOD x 2 <br /> ORANGE COAST ANALYTICAL <br /> Mark Nooranl <br />. Laboratory Director <br />